Water-heater.



A. S. CARLSON.

WATER HEATER.

' APPLICATION FILED APR. 25. 1915.

1,216,942. Patented Feb. 20,1917.

2 SHEETS-8BR! I.

., 61. 5. Carlson.

Jitter-r1945.

' A. s. CARLSON.

WQTER HEATER. APPucm'uil mm APR. 25. 1916.

1,216,942. v. Patented Feb. 20,1917. Z SHEETS-SHEET 2.

mum:

.Zifxeli J. Carlson.

means for insuring a complete circulation of air through the water coilfwhen the I In a water heater, the combination with a burner of a grate imposed thereover,

a water circu ating coil interposedbetween '1 and out at the lower-end of the housing. 6;; In awater heater, the combinationwith a burner, of a water. coil dis osed there-" burner is in ofieration and a utensil is podtioned, upon t e grate members, and meanswhereby the Water coil will be directly and indirectly t by the heat provided by the-heathurner. v 4

said burner and grate, a coil housing secured around the coila'nd beneath the grate, and

a baflle plate .secured beneath the coil hous-g ing inja' manner'to cause the heat and flame from the burner to circulate through the .coil

around and thereabove, a housing inclosing said coil, a;- grate formed, our the upper thereupon wi and sup orted by said and. positioned in relation thereto for the purpose of creating a down-dratt. through the housing. j

7. In a water r placed heater, 'the jconibinationi with a burner, of a water coil thereover, a grate supported above the waterj'co'il, a 'cy-j a utensil suplindrical housing surrounding thelwater coil' ate, and anfadj usta able be e plate secure ove'r'th'e 'lojverend of. the housing and" around the burner.

Q nametothis specification,

' mans. crimson. 7'

In testimony. whereof I have; signed 

